NSN 5305-01-171-1440

Part Details | CLOSE TOLERANCE SCREW

5305-01-171-1440 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Alternate Parts: SC1786RV35, SC1786RV3-5, LE11100412305, LE111-0041-2305, T1812305, T181-2305, T1812305, T181-2305, LE11100412305, LE111-0041-2305, 123179V3R5, LE11100412305, LE111-0041-2305, PBF13832305, PBF1383-2305, 5305-01-171-1440, 01-171-1440, 5305011711440, 011711440

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 04, 198401-171-144029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-171-1440
Part Number Cage Code Manufacturer
SC1786RV3-506950ARCONIC GLOBAL FASTENERS & RINGS,INC.
LE111-0041-230543999BOEING COMPANY, THEDBA BOEING
T181-230517446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
T181-230597928HUCK INTL INC
LE111-0041-230557928SONIC INDUSTRIES INC.
123179V3R580539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
LE111-0041-230506725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1383-230527624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-171-1440
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM
FASTENER LENGTH0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH
HEAD STYLE4 HEXAGON COUNTERSUNK
HEAD DIAMETER0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM